Telethon/tests/telethon/test_helpers.py
Rongrong 046e2cb605
Fix HTML/MD parser producing empty MessageEntity (#3885)
Closes #3884. The implementation is also simplified.
2022-07-25 11:11:26 +02:00

83 lines
2.6 KiB
Python

"""
tests for telethon.helpers
"""
from base64 import b64decode
import pytest
from telethon import helpers
from telethon.utils import get_inner_text
from telethon.tl.types import MessageEntityUnknown as Meu
def test_strip_text():
text = ' text '
text_stripped = 'text'
entities_before_and_after = (
([], []),
([Meu(i, 0) for i in range(10)], []), # del ''
([Meu(0, 0), Meu(0, 1), Meu(5, 1)], []), # del '', ' ', ' '
([Meu(0, 3)], [Meu(0, 2)]), # ' te' -> 'te'
([Meu(3, 1)], [Meu(2, 1)]), # 'x'
([Meu(3, 2)], [Meu(2, 2)]), # 'xt'
([Meu(3, 3)], [Meu(2, 2)]), # 'xt ' -> 'xt'
([Meu(0, 6)], [Meu(0, 4)]), # ' text ' -> 'text'
)
for entities_before, entities_expected in entities_before_and_after:
entities_for_test = [Meu(meu.offset, meu.length) for meu in entities_before] # deep copy
text_after = helpers.strip_text(text, entities_for_test)
assert text_after == text_stripped
assert sorted((e.offset, e.length) for e in entities_for_test) \
== sorted((e.offset, e.length) for e in entities_expected)
inner_text_before = get_inner_text(text, entities_before)
inner_text_before_stripped = [t.strip() for t in inner_text_before]
inner_text_after = get_inner_text(text_after, entities_for_test)
for t in inner_text_after:
assert t in inner_text_before_stripped
class TestSyncifyAsyncContext:
class NoopContextManager:
def __init__(self, loop):
self.count = 0
self.loop = loop
async def __aenter__(self):
self.count += 1
return self
async def __aexit__(self, exc_type, *args):
assert exc_type is None
self.count -= 1
__enter__ = helpers._sync_enter
__exit__ = helpers._sync_exit
def test_sync_acontext(self, event_loop):
contm = self.NoopContextManager(event_loop)
assert contm.count == 0
with contm:
assert contm.count == 1
assert contm.count == 0
@pytest.mark.asyncio
async def test_async_acontext(self, event_loop):
contm = self.NoopContextManager(event_loop)
assert contm.count == 0
async with contm:
assert contm.count == 1
assert contm.count == 0
def test_generate_key_data_from_nonce():
gkdfn = helpers.generate_key_data_from_nonce
key_expect = b64decode(b'NFwRFB8Knw/kAmvPWjtrQauWysHClVfQh0UOAaABqZA=')
nonce_expect = b64decode(b'1AgjhU9eDvJRjFik73bjR2zZEATzL/jLu9yodYfWEgA=')
assert gkdfn(123456789, 1234567) == (key_expect, nonce_expect)